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iNat·121208SpeciesFungi5,064 field observations
  1. Fungi Including Lichens
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  3. ›Sac Fungi and Lichens
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  6. ›shield lichens, rim lichens, and allies
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  8. ›Cladonia
Thorn Lichen
Plate 1 of 4. (c) Tom Walker, some rights reserved (CC BY-NC), uploaded by Tom Walker · via iNaturalist

Thorn Lichen

Cladonia uncialis

Cladonia uncialis is a species of fruticose, cup lichen in the family Cladoniaceae. It was first described as a new species by Swedish taxonomist Carl Linnaeus in 1753. It was transferred to the genus Cladonia by Friedrich Heinrich Wiggers in 1780. In North America, the lichen is colloquially known as the thorn Cladonia or the thorn cup lichen.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Cladonia uncialis in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 121208.